Update nodejs_web_app.rst

docs/sources/examples/nodejs_web_app.rst

@@ -18,7 +18,7 @@ https://github.com/gasi/docker-node-hello.
 Create Node.js app
 ++++++++++++++++++
 
-First, create a ``package.json`` file that describes your app and its
+First, create a directory ``src`` where all the files would live. Then create a ``package.json`` file that describes your app and its
 dependencies:
 
 .. code-block:: json